Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2005-02-23
2009-11-24
Lorengo, Jerry (Department: 1793)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S070000, C501S064000
Reexamination Certificate
active
07622410
ABSTRACT:
A grey glass composition employing in its colorant portion, in certain example embodiments, iron, cobalt, nickel, and at least one of erbium and titanium. The use of erbium and/or titanium has been found to improve coloration of the grey glass, and improve tunability of the same. In certain example embodiments, the ratio of cobalt oxide to nickel oxide is from 0.22 to 0.30 in order to achieve desired coloration in certain example embodiments.
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Landa Ksenia A.
Landa Leonid
Longobardo Anthony V.
Thomsen Scott V.
Guardian Industries Corp.
Hoban Matthew E
Lorengo Jerry
Nixon & Vanderhye P.C.
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